Laurie Griffiths wrote:
>
> Alan S. Watt wrote:
> "...
> (1) On any stringed instrument, but especially the piano, octaves are
> "stretched" (wider than an exact frequency ratio of 2:1), due to the way
> the harmonic series is produced in a vibrating string.
> ..."
> I don't believe that this applies to instruments where the string has a
> forced vibration - in practice that means bowed instruments.
Yes and no. The detuning of harmonics is mainly caused by air
resistance. "Forced vibration" might reduce the effect, but not
eliminate it alltogether.
Frank Nordberg
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